20089492072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{128693}}^1$

素因数の和:128810

約数の個数: 64

約数和(自身を含む): 43241184000

約数和(自身を除く): 23151691928

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 79, 104, 152, 158, 247, 316, 494, 632, 988, 1027, 1501, 1976, 2054, 3002, 4108, 6004, 8216, 12008, 19513, 39026, 78052, 128693, 156104, 257386, 514772, 1029544, 1673009, 2445167, 3346018, 4890334, 6692036, 9780668, 10166747, 13384072, 19561336, 20333494, 31787171, 40666988, 63574342, 81333976, 127148684, 132167711, 193168193, 254297368, 264335422, 386336386, 528670844, 772672772, 1057341688, 1545345544, 2511186509, 5022373018, 10044746036, 20089492072]

約数ペア:

[(1, 20089492072), (2, 10044746036), (4, 5022373018), (8, 2511186509), (13, 1545345544), (19, 1057341688), (26, 772672772), (38, 528670844), (52, 386336386), (76, 264335422), (79, 254297368), (104, 193168193), (152, 132167711), (158, 127148684), (247, 81333976), (316, 63574342), (494, 40666988), (632, 31787171), (988, 20333494), (1027, 19561336), (1501, 13384072), (1976, 10166747), (2054, 9780668), (3002, 6692036), (4108, 4890334), (6004, 3346018), (8216, 2445167), (12008, 1673009), (19513, 1029544), (39026, 514772), (78052, 257386), (128693, 156104)]