20073900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 216

約数和(自身を含む): 73884160

約数和(自身を除く): 53810260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 79, 84, 100, 105, 110, 121, 132, 140, 150, 154, 158, 165, 175, 210, 220, 231, 237, 242, 275, 300, 308, 316, 330, 350, 363, 385, 395, 420, 462, 474, 484, 525, 550, 553, 605, 660, 700, 726, 770, 790, 825, 847, 869, 924, 948, 1050, 1100, 1106, 1155, 1185, 1210, 1452, 1540, 1580, 1650, 1659, 1694, 1738, 1815, 1925, 1975, 2100, 2212, 2310, 2370, 2420, 2541, 2607, 2765, 3025, 3300, 3318, 3388, 3476, 3630, 3850, 3950, 4235, 4345, 4620, 4740, 5082, 5214, 5530, 5775, 5925, 6050, 6083, 6636, 7260, 7700, 7900, 8295, 8470, 8690, 9075, 9559, 10164, 10428, 11060, 11550, 11850, 12100, 12166, 12705, 13035, 13825, 16590, 16940, 17380, 18150, 18249, 19118, 21175, 21725, 23100, 23700, 24332, 25410, 26070, 27650, 28677, 30415, 33180, 36300, 36498, 38236, 41475, 42350, 43450, 47795, 50820, 52140, 55300, 57354, 60830, 63525, 65175, 66913, 72996, 82950, 84700, 86900, 91245, 95590, 114708, 121660, 127050, 130350, 133826, 143385, 152075, 165900, 182490, 191180, 200739, 238975, 254100, 260700, 267652, 286770, 304150, 334565, 364980, 401478, 456225, 477950, 573540, 608300, 669130, 716925, 802956, 912450, 955900, 1003695, 1338260, 1433850, 1672825, 1824900, 2007390, 2867700, 3345650, 4014780, 5018475, 6691300, 10036950, 20073900]

約数ペア:

[(1, 20073900), (2, 10036950), (3, 6691300), (4, 5018475), (5, 4014780), (6, 3345650), (7, 2867700), (10, 2007390), (11, 1824900), (12, 1672825), (14, 1433850), (15, 1338260), (20, 1003695), (21, 955900), (22, 912450), (25, 802956), (28, 716925), (30, 669130), (33, 608300), (35, 573540), (42, 477950), (44, 456225), (50, 401478), (55, 364980), (60, 334565), (66, 304150), (70, 286770), (75, 267652), (77, 260700), (79, 254100), (84, 238975), (100, 200739), (105, 191180), (110, 182490), (121, 165900), (132, 152075), (140, 143385), (150, 133826), (154, 130350), (158, 127050), (165, 121660), (175, 114708), (210, 95590), (220, 91245), (231, 86900), (237, 84700), (242, 82950), (275, 72996), (300, 66913), (308, 65175), (316, 63525), (330, 60830), (350, 57354), (363, 55300), (385, 52140), (395, 50820), (420, 47795), (462, 43450), (474, 42350), (484, 41475), (525, 38236), (550, 36498), (553, 36300), (605, 33180), (660, 30415), (700, 28677), (726, 27650), (770, 26070), (790, 25410), (825, 24332), (847, 23700), (869, 23100), (924, 21725), (948, 21175), (1050, 19118), (1100, 18249), (1106, 18150), (1155, 17380), (1185, 16940), (1210, 16590), (1452, 13825), (1540, 13035), (1580, 12705), (1650, 12166), (1659, 12100), (1694, 11850), (1738, 11550), (1815, 11060), (1925, 10428), (1975, 10164), (2100, 9559), (2212, 9075), (2310, 8690), (2370, 8470), (2420, 8295), (2541, 7900), (2607, 7700), (2765, 7260), (3025, 6636), (3300, 6083), (3318, 6050), (3388, 5925), (3476, 5775), (3630, 5530), (3850, 5214), (3950, 5082), (4235, 4740), (4345, 4620)]