20930580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^2$

素因数の和:99

約数の個数: 162

約数和(自身を含む): 72109674

約数和(自身を除く): 51179094

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 121, 124, 132, 155, 165, 180, 186, 198, 220, 242, 279, 310, 330, 341, 363, 372, 396, 465, 484, 495, 558, 605, 620, 660, 682, 726, 930, 961, 990, 1023, 1089, 1116, 1210, 1364, 1395, 1452, 1705, 1815, 1860, 1922, 1980, 2046, 2178, 2420, 2790, 2883, 3069, 3410, 3630, 3751, 3844, 4092, 4356, 4805, 5115, 5445, 5580, 5766, 6138, 6820, 7260, 7502, 8649, 9610, 10230, 10571, 10890, 11253, 11532, 12276, 14415, 15004, 15345, 17298, 18755, 19220, 20460, 21142, 21780, 22506, 28830, 30690, 31713, 33759, 34596, 37510, 42284, 43245, 45012, 52855, 56265, 57660, 61380, 63426, 67518, 75020, 86490, 95139, 105710, 112530, 116281, 126852, 135036, 158565, 168795, 172980, 190278, 211420, 225060, 232562, 317130, 337590, 348843, 380556, 465124, 475695, 581405, 634260, 675180, 697686, 951390, 1046529, 1162810, 1395372, 1744215, 1902780, 2093058, 2325620, 3488430, 4186116, 5232645, 6976860, 10465290, 20930580]

約数ペア:

[(1, 20930580), (2, 10465290), (3, 6976860), (4, 5232645), (5, 4186116), (6, 3488430), (9, 2325620), (10, 2093058), (11, 1902780), (12, 1744215), (15, 1395372), (18, 1162810), (20, 1046529), (22, 951390), (30, 697686), (31, 675180), (33, 634260), (36, 581405), (44, 475695), (45, 465124), (55, 380556), (60, 348843), (62, 337590), (66, 317130), (90, 232562), (93, 225060), (99, 211420), (110, 190278), (121, 172980), (124, 168795), (132, 158565), (155, 135036), (165, 126852), (180, 116281), (186, 112530), (198, 105710), (220, 95139), (242, 86490), (279, 75020), (310, 67518), (330, 63426), (341, 61380), (363, 57660), (372, 56265), (396, 52855), (465, 45012), (484, 43245), (495, 42284), (558, 37510), (605, 34596), (620, 33759), (660, 31713), (682, 30690), (726, 28830), (930, 22506), (961, 21780), (990, 21142), (1023, 20460), (1089, 19220), (1116, 18755), (1210, 17298), (1364, 15345), (1395, 15004), (1452, 14415), (1705, 12276), (1815, 11532), (1860, 11253), (1922, 10890), (1980, 10571), (2046, 10230), (2178, 9610), (2420, 8649), (2790, 7502), (2883, 7260), (3069, 6820), (3410, 6138), (3630, 5766), (3751, 5580), (3844, 5445), (4092, 5115), (4356, 4805)]