20121636386

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{23371}}^1$

素因数の和:23694

約数の個数: 32

約数和(自身を含む): 32197267200

約数和(自身を除く): 12075630814

約数列:

[1, 2, 19, 38, 139, 163, 278, 326, 2641, 3097, 5282, 6194, 22657, 23371, 45314, 46742, 430483, 444049, 860966, 888098, 3248569, 3809473, 6497138, 7618946, 61722811, 72379987, 123445622, 144759974, 529516747, 1059033494, 10060818193, 20121636386]

約数ペア:

[(1, 20121636386), (2, 10060818193), (19, 1059033494), (38, 529516747), (139, 144759974), (163, 123445622), (278, 72379987), (326, 61722811), (2641, 7618946), (3097, 6497138), (5282, 3809473), (6194, 3248569), (22657, 888098), (23371, 860966), (45314, 444049), (46742, 430483)]