20415690045

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{599}}^1\times {\mathrm{7499}}^1$

素因数の和:8210

約数の個数: 48

約数和(自身を含む): 35802000000

約数和(自身を除く): 15386309955

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 599, 909, 1515, 1797, 2995, 4545, 5391, 7499, 8985, 22497, 26955, 37495, 60499, 67491, 112485, 181497, 302495, 337455, 544491, 757399, 907485, 2272197, 2722455, 3786995, 4491901, 6816591, 11360985, 13475703, 22459505, 34082955, 40427109, 67378515, 202135545, 453682001, 1361046003, 2268410005, 4083138009, 6805230015, 20415690045]

約数ペア:

[(1, 20415690045), (3, 6805230015), (5, 4083138009), (9, 2268410005), (15, 1361046003), (45, 453682001), (101, 202135545), (303, 67378515), (505, 40427109), (599, 34082955), (909, 22459505), (1515, 13475703), (1797, 11360985), (2995, 6816591), (4545, 4491901), (5391, 3786995), (7499, 2722455), (8985, 2272197), (22497, 907485), (26955, 757399), (37495, 544491), (60499, 337455), (67491, 302495), (112485, 181497)]