20914110

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:482

約数の個数: 96

約数和(自身を含む): 63011520

約数和(自身を除く): 42097410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 89, 90, 105, 126, 178, 210, 267, 315, 373, 445, 534, 623, 630, 746, 801, 890, 1119, 1246, 1335, 1602, 1865, 1869, 2238, 2611, 2670, 3115, 3357, 3730, 3738, 4005, 5222, 5595, 5607, 6230, 6714, 7833, 8010, 9345, 11190, 11214, 13055, 15666, 16785, 18690, 23499, 26110, 28035, 33197, 33570, 39165, 46998, 56070, 66394, 78330, 99591, 117495, 165985, 199182, 232379, 234990, 298773, 331970, 464758, 497955, 597546, 697137, 995910, 1161895, 1394274, 1493865, 2091411, 2323790, 2987730, 3485685, 4182822, 6971370, 10457055, 20914110]

約数ペア:

[(1, 20914110), (2, 10457055), (3, 6971370), (5, 4182822), (6, 3485685), (7, 2987730), (9, 2323790), (10, 2091411), (14, 1493865), (15, 1394274), (18, 1161895), (21, 995910), (30, 697137), (35, 597546), (42, 497955), (45, 464758), (63, 331970), (70, 298773), (89, 234990), (90, 232379), (105, 199182), (126, 165985), (178, 117495), (210, 99591), (267, 78330), (315, 66394), (373, 56070), (445, 46998), (534, 39165), (623, 33570), (630, 33197), (746, 28035), (801, 26110), (890, 23499), (1119, 18690), (1246, 16785), (1335, 15666), (1602, 13055), (1865, 11214), (1869, 11190), (2238, 9345), (2611, 8010), (2670, 7833), (3115, 6714), (3357, 6230), (3730, 5607), (3738, 5595), (4005, 5222)]