20521830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1237}}^1$

素因数の和:1333

約数の個数: 64

約数和(自身を含む): 57047040

約数和(自身を除く): 36525210

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 79, 105, 158, 210, 237, 395, 474, 553, 790, 1106, 1185, 1237, 1659, 2370, 2474, 2765, 3318, 3711, 5530, 6185, 7422, 8295, 8659, 12370, 16590, 17318, 18555, 25977, 37110, 43295, 51954, 86590, 97723, 129885, 195446, 259770, 293169, 488615, 586338, 684061, 977230, 1368122, 1465845, 2052183, 2931690, 3420305, 4104366, 6840610, 10260915, 20521830]

約数ペア:

[(1, 20521830), (2, 10260915), (3, 6840610), (5, 4104366), (6, 3420305), (7, 2931690), (10, 2052183), (14, 1465845), (15, 1368122), (21, 977230), (30, 684061), (35, 586338), (42, 488615), (70, 293169), (79, 259770), (105, 195446), (158, 129885), (210, 97723), (237, 86590), (395, 51954), (474, 43295), (553, 37110), (790, 25977), (1106, 18555), (1185, 17318), (1237, 16590), (1659, 12370), (2370, 8659), (2474, 8295), (2765, 7422), (3318, 6185), (3711, 5530)]