20258370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 41949630

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 27, 30, 33, 38, 45, 54, 55, 57, 66, 90, 95, 99, 110, 114, 135, 165, 171, 190, 198, 209, 270, 285, 297, 330, 342, 359, 418, 495, 513, 570, 594, 627, 718, 855, 990, 1026, 1045, 1077, 1254, 1485, 1710, 1795, 1881, 2090, 2154, 2565, 2970, 3135, 3231, 3590, 3762, 3949, 5130, 5385, 5643, 6270, 6462, 6821, 7898, 9405, 9693, 10770, 11286, 11847, 13642, 16155, 18810, 19386, 19745, 20463, 23694, 28215, 32310, 34105, 35541, 39490, 40926, 48465, 56430, 59235, 61389, 68210, 71082, 75031, 96930, 102315, 106623, 118470, 122778, 150062, 177705, 184167, 204630, 213246, 225093, 306945, 355410, 368334, 375155, 450186, 533115, 613890, 675279, 750310, 920835, 1066230, 1125465, 1350558, 1841670, 2025837, 2250930, 3376395, 4051674, 6752790, 10129185, 20258370]

約数ペア:

[(1, 20258370), (2, 10129185), (3, 6752790), (5, 4051674), (6, 3376395), (9, 2250930), (10, 2025837), (11, 1841670), (15, 1350558), (18, 1125465), (19, 1066230), (22, 920835), (27, 750310), (30, 675279), (33, 613890), (38, 533115), (45, 450186), (54, 375155), (55, 368334), (57, 355410), (66, 306945), (90, 225093), (95, 213246), (99, 204630), (110, 184167), (114, 177705), (135, 150062), (165, 122778), (171, 118470), (190, 106623), (198, 102315), (209, 96930), (270, 75031), (285, 71082), (297, 68210), (330, 61389), (342, 59235), (359, 56430), (418, 48465), (495, 40926), (513, 39490), (570, 35541), (594, 34105), (627, 32310), (718, 28215), (855, 23694), (990, 20463), (1026, 19745), (1045, 19386), (1077, 18810), (1254, 16155), (1485, 13642), (1710, 11847), (1795, 11286), (1881, 10770), (2090, 9693), (2154, 9405), (2565, 7898), (2970, 6821), (3135, 6462), (3231, 6270), (3590, 5643), (3762, 5385), (3949, 5130)]