20170189420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1\times {\mathrm{32429}}^1$

素因数の和:32802

約数の個数: 48

約数和(自身を含む): 42855855840

約数和(自身を除く): 22685666420

約数列:

[1, 2, 4, 5, 10, 20, 137, 227, 274, 454, 548, 685, 908, 1135, 1370, 2270, 2740, 4540, 31099, 32429, 62198, 64858, 124396, 129716, 155495, 162145, 310990, 324290, 621980, 648580, 4442773, 7361383, 8885546, 14722766, 17771092, 22213865, 29445532, 36806915, 44427730, 73613830, 88855460, 147227660, 1008509471, 2017018942, 4034037884, 5042547355, 10085094710, 20170189420]

約数ペア:

[(1, 20170189420), (2, 10085094710), (4, 5042547355), (5, 4034037884), (10, 2017018942), (20, 1008509471), (137, 147227660), (227, 88855460), (274, 73613830), (454, 44427730), (548, 36806915), (685, 29445532), (908, 22213865), (1135, 17771092), (1370, 14722766), (2270, 8885546), (2740, 7361383), (4540, 4442773), (31099, 648580), (32429, 621980), (62198, 324290), (64858, 310990), (124396, 162145), (129716, 155495)]