20176818830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{26249}}^1$

素因数の和:26481

約数の個数: 64

約数和(自身を含む): 42336000000

約数和(自身を除く): 22159181170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 139, 158, 278, 395, 553, 695, 790, 973, 1106, 1390, 1946, 2765, 4865, 5530, 9730, 10981, 21962, 26249, 52498, 54905, 76867, 109810, 131245, 153734, 183743, 262490, 367486, 384335, 768670, 918715, 1837430, 2073671, 3648611, 4147342, 7297222, 10368355, 14515697, 18243055, 20736710, 25540277, 29031394, 36486110, 51080554, 72578485, 127701385, 145156970, 255402770, 288240269, 576480538, 1441201345, 2017681883, 2882402690, 4035363766, 10088409415, 20176818830]

約数ペア:

[(1, 20176818830), (2, 10088409415), (5, 4035363766), (7, 2882402690), (10, 2017681883), (14, 1441201345), (35, 576480538), (70, 288240269), (79, 255402770), (139, 145156970), (158, 127701385), (278, 72578485), (395, 51080554), (553, 36486110), (695, 29031394), (790, 25540277), (973, 20736710), (1106, 18243055), (1390, 14515697), (1946, 10368355), (2765, 7297222), (4865, 4147342), (5530, 3648611), (9730, 2073671), (10981, 1837430), (21962, 918715), (26249, 768670), (52498, 384335), (54905, 367486), (76867, 262490), (109810, 183743), (131245, 153734)]