20318304838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1\times {\mathrm{619}}^1$

素因数の和:1049

約数の個数: 64

約数和(自身を含む): 34138440000

約数和(自身を除く): 13820135162

約数列:

[1, 2, 13, 26, 37, 74, 149, 229, 298, 458, 481, 619, 962, 1238, 1937, 2977, 3874, 5513, 5954, 8047, 8473, 11026, 16094, 16946, 22903, 34121, 45806, 68242, 71669, 92231, 110149, 141751, 143338, 184462, 220298, 283502, 297739, 443573, 595478, 887146, 1199003, 1262477, 1842763, 2398006, 2524954, 3412547, 3685526, 5244787, 6825094, 10489574, 16412201, 21120899, 32824402, 42241798, 44363111, 68182231, 88726222, 136364462, 274571687, 549143374, 781473263, 1562946526, 10159152419, 20318304838]

約数ペア:

[(1, 20318304838), (2, 10159152419), (13, 1562946526), (26, 781473263), (37, 549143374), (74, 274571687), (149, 136364462), (229, 88726222), (298, 68182231), (458, 44363111), (481, 42241798), (619, 32824402), (962, 21120899), (1238, 16412201), (1937, 10489574), (2977, 6825094), (3874, 5244787), (5513, 3685526), (5954, 3412547), (8047, 2524954), (8473, 2398006), (11026, 1842763), (16094, 1262477), (16946, 1199003), (22903, 887146), (34121, 595478), (45806, 443573), (68242, 297739), (71669, 283502), (92231, 220298), (110149, 184462), (141751, 143338)]