20457960190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1\times {\mathrm{1931}}^1$

素因数の和:2665

約数の個数: 64

約数和(自身を含む): 39033695232

約数和(自身を除く): 18575735042

約数列:

[1, 2, 5, 10, 23, 46, 73, 115, 146, 230, 365, 631, 730, 1262, 1679, 1931, 3155, 3358, 3862, 6310, 8395, 9655, 14513, 16790, 19310, 29026, 44413, 46063, 72565, 88826, 92126, 140963, 145130, 222065, 230315, 281926, 444130, 460630, 704815, 1059449, 1218461, 1409630, 2118898, 2436922, 3242149, 5297245, 6092305, 6484298, 10594490, 12184610, 16210745, 28024603, 32421490, 56049206, 88947653, 140123015, 177895306, 280246030, 444738265, 889476530, 2045796019, 4091592038, 10228980095, 20457960190]

約数ペア:

[(1, 20457960190), (2, 10228980095), (5, 4091592038), (10, 2045796019), (23, 889476530), (46, 444738265), (73, 280246030), (115, 177895306), (146, 140123015), (230, 88947653), (365, 56049206), (631, 32421490), (730, 28024603), (1262, 16210745), (1679, 12184610), (1931, 10594490), (3155, 6484298), (3358, 6092305), (3862, 5297245), (6310, 3242149), (8395, 2436922), (9655, 2118898), (14513, 1409630), (16790, 1218461), (19310, 1059449), (29026, 704815), (44413, 460630), (46063, 444130), (72565, 281926), (88826, 230315), (92126, 222065), (140963, 145130)]