20349718675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{17623}}^1$

素因数の和:17693

約数の個数: 96

約数和(自身を含む): 33042885120

約数和(自身を除く): 12693166445

約数列:

[1, 5, 11, 13, 17, 19, 25, 55, 65, 85, 95, 143, 187, 209, 221, 247, 275, 323, 325, 425, 475, 715, 935, 1045, 1105, 1235, 1615, 2431, 2717, 3553, 3575, 4199, 4675, 5225, 5525, 6175, 8075, 12155, 13585, 17623, 17765, 20995, 46189, 60775, 67925, 88115, 88825, 104975, 193853, 229099, 230945, 299591, 334837, 440575, 969265, 1145495, 1154725, 1497955, 1674185, 2520089, 3295501, 3683207, 3894683, 4352881, 4846325, 5692229, 5727475, 7489775, 8370925, 12600445, 16477505, 18416035, 19473415, 21764405, 28461145, 42841513, 47881691, 62614519, 63002225, 73998977, 82387525, 92080175, 97367075, 108822025, 142305725, 214207565, 239408455, 313072595, 369994885, 813988747, 1071037825, 1197042275, 1565362975, 1849974425, 4069943735, 20349718675]

約数ペア:

[(1, 20349718675), (5, 4069943735), (11, 1849974425), (13, 1565362975), (17, 1197042275), (19, 1071037825), (25, 813988747), (55, 369994885), (65, 313072595), (85, 239408455), (95, 214207565), (143, 142305725), (187, 108822025), (209, 97367075), (221, 92080175), (247, 82387525), (275, 73998977), (323, 63002225), (325, 62614519), (425, 47881691), (475, 42841513), (715, 28461145), (935, 21764405), (1045, 19473415), (1105, 18416035), (1235, 16477505), (1615, 12600445), (2431, 8370925), (2717, 7489775), (3553, 5727475), (3575, 5692229), (4199, 4846325), (4675, 4352881), (5225, 3894683), (5525, 3683207), (6175, 3295501), (8075, 2520089), (12155, 1674185), (13585, 1497955), (17623, 1154725), (17765, 1145495), (20995, 969265), (46189, 440575), (60775, 334837), (67925, 299591), (88115, 230945), (88825, 229099), (104975, 193853)]