20179943238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{697351}}^1$

素因数の和:697429

約数の個数: 64

約数和(自身を含む): 50611018752

約数和(自身を除く): 30431075514

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 546, 689, 742, 1113, 1378, 2067, 2226, 4134, 4823, 9646, 14469, 28938, 697351, 1394702, 2092053, 4184106, 4881457, 9065563, 9762914, 14644371, 18131126, 27196689, 29288742, 36959603, 54393378, 63458941, 73919206, 110878809, 126917882, 190376823, 221757618, 258717221, 380753646, 480474839, 517434442, 776151663, 960949678, 1441424517, 1552303326, 2882849034, 3363323873, 6726647746, 10089971619, 20179943238]

約数ペア:

[(1, 20179943238), (2, 10089971619), (3, 6726647746), (6, 3363323873), (7, 2882849034), (13, 1552303326), (14, 1441424517), (21, 960949678), (26, 776151663), (39, 517434442), (42, 480474839), (53, 380753646), (78, 258717221), (91, 221757618), (106, 190376823), (159, 126917882), (182, 110878809), (273, 73919206), (318, 63458941), (371, 54393378), (546, 36959603), (689, 29288742), (742, 27196689), (1113, 18131126), (1378, 14644371), (2067, 9762914), (2226, 9065563), (4134, 4881457), (4823, 4184106), (9646, 2092053), (14469, 1394702), (28938, 697351)]