20136556575

素因数分解:

$3^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{251}}^1\times {\mathrm{2393}}^1$

素因数の和:2809

約数の個数: 72

約数和(自身を含む): 36468759600

約数和(自身を除く): 16332203025

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 149, 225, 251, 447, 745, 753, 1255, 1341, 2235, 2259, 2393, 3725, 3765, 6275, 6705, 7179, 11175, 11295, 11965, 18825, 21537, 33525, 35895, 37399, 56475, 59825, 107685, 112197, 179475, 186995, 336591, 356557, 538425, 560985, 600643, 934975, 1069671, 1682955, 1782785, 1801929, 2804925, 3003215, 3209013, 5348355, 5405787, 8414775, 8913925, 9009645, 15016075, 16045065, 26741775, 27028935, 45048225, 80225325, 89495807, 135144675, 268487421, 447479035, 805462263, 1342437105, 2237395175, 4027311315, 6712185525, 20136556575]

約数ペア:

[(1, 20136556575), (3, 6712185525), (5, 4027311315), (9, 2237395175), (15, 1342437105), (25, 805462263), (45, 447479035), (75, 268487421), (149, 135144675), (225, 89495807), (251, 80225325), (447, 45048225), (745, 27028935), (753, 26741775), (1255, 16045065), (1341, 15016075), (2235, 9009645), (2259, 8913925), (2393, 8414775), (3725, 5405787), (3765, 5348355), (6275, 3209013), (6705, 3003215), (7179, 2804925), (11175, 1801929), (11295, 1782785), (11965, 1682955), (18825, 1069671), (21537, 934975), (33525, 600643), (35895, 560985), (37399, 538425), (56475, 356557), (59825, 336591), (107685, 186995), (112197, 179475)]