20079919240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{798089}}^1$

素因数の和:798154

約数の個数: 64

約数和(自身を含む): 49130420400

約数和(自身を除く): 29050501160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 629, 680, 740, 1258, 1480, 2516, 3145, 5032, 6290, 12580, 25160, 798089, 1596178, 3192356, 3990445, 6384712, 7980890, 13567513, 15961780, 27135026, 29529293, 31923560, 54270052, 59058586, 67837565, 108540104, 118117172, 135675130, 147646465, 236234344, 271350260, 295292930, 501997981, 542700520, 590585860, 1003995962, 1181171720, 2007991924, 2509989905, 4015983848, 5019979810, 10039959620, 20079919240]

約数ペア:

[(1, 20079919240), (2, 10039959620), (4, 5019979810), (5, 4015983848), (8, 2509989905), (10, 2007991924), (17, 1181171720), (20, 1003995962), (34, 590585860), (37, 542700520), (40, 501997981), (68, 295292930), (74, 271350260), (85, 236234344), (136, 147646465), (148, 135675130), (170, 118117172), (185, 108540104), (296, 67837565), (340, 59058586), (370, 54270052), (629, 31923560), (680, 29529293), (740, 27135026), (1258, 15961780), (1480, 13567513), (2516, 7980890), (3145, 6384712), (5032, 3990445), (6290, 3192356), (12580, 1596178), (25160, 798089)]