20178391020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{931597}}^1$

素因数の和:931647

約数の個数: 72

約数和(自身を含む): 59629724784

約数和(自身を除く): 39451333764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 1083, 1140, 1444, 1805, 2166, 3610, 4332, 5415, 7220, 10830, 21660, 931597, 1863194, 2794791, 3726388, 4657985, 5589582, 9315970, 11179164, 13973955, 17700343, 18631940, 27947910, 35400686, 53101029, 55895820, 70801372, 88501715, 106202058, 177003430, 212404116, 265505145, 336306517, 354006860, 531010290, 672613034, 1008919551, 1062020580, 1345226068, 1681532585, 2017839102, 3363065170, 4035678204, 5044597755, 6726130340, 10089195510, 20178391020]

約数ペア:

[(1, 20178391020), (2, 10089195510), (3, 6726130340), (4, 5044597755), (5, 4035678204), (6, 3363065170), (10, 2017839102), (12, 1681532585), (15, 1345226068), (19, 1062020580), (20, 1008919551), (30, 672613034), (38, 531010290), (57, 354006860), (60, 336306517), (76, 265505145), (95, 212404116), (114, 177003430), (190, 106202058), (228, 88501715), (285, 70801372), (361, 55895820), (380, 53101029), (570, 35400686), (722, 27947910), (1083, 18631940), (1140, 17700343), (1444, 13973955), (1805, 11179164), (2166, 9315970), (3610, 5589582), (4332, 4657985), (5415, 3726388), (7220, 2794791), (10830, 1863194), (21660, 931597)]