20893380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 61931520

約数和(自身を除く): 41038140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 47, 60, 62, 93, 94, 124, 141, 155, 186, 188, 235, 239, 282, 310, 372, 465, 470, 478, 564, 620, 705, 717, 930, 940, 956, 1195, 1410, 1434, 1457, 1860, 2390, 2820, 2868, 2914, 3585, 4371, 4780, 5828, 7170, 7285, 7409, 8742, 11233, 14340, 14570, 14818, 17484, 21855, 22227, 22466, 29140, 29636, 33699, 37045, 43710, 44454, 44932, 56165, 67398, 74090, 87420, 88908, 111135, 112330, 134796, 148180, 168495, 222270, 224660, 336990, 348223, 444540, 673980, 696446, 1044669, 1392892, 1741115, 2089338, 3482230, 4178676, 5223345, 6964460, 10446690, 20893380]

約数ペア:

[(1, 20893380), (2, 10446690), (3, 6964460), (4, 5223345), (5, 4178676), (6, 3482230), (10, 2089338), (12, 1741115), (15, 1392892), (20, 1044669), (30, 696446), (31, 673980), (47, 444540), (60, 348223), (62, 336990), (93, 224660), (94, 222270), (124, 168495), (141, 148180), (155, 134796), (186, 112330), (188, 111135), (235, 88908), (239, 87420), (282, 74090), (310, 67398), (372, 56165), (465, 44932), (470, 44454), (478, 43710), (564, 37045), (620, 33699), (705, 29636), (717, 29140), (930, 22466), (940, 22227), (956, 21855), (1195, 17484), (1410, 14818), (1434, 14570), (1457, 14340), (1860, 11233), (2390, 8742), (2820, 7409), (2868, 7285), (2914, 7170), (3585, 5828), (4371, 4780)]