20186830880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{157907}}^1$

素因数の和:157986

約数の個数: 96

約数和(自身を含む): 51571489536

約数和(自身を除く): 31384658656

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 68, 80, 85, 94, 136, 160, 170, 188, 235, 272, 340, 376, 470, 544, 680, 752, 799, 940, 1360, 1504, 1598, 1880, 2720, 3196, 3760, 3995, 6392, 7520, 7990, 12784, 15980, 25568, 31960, 63920, 127840, 157907, 315814, 631628, 789535, 1263256, 1579070, 2526512, 2684419, 3158140, 5053024, 5368838, 6316280, 7421629, 10737676, 12632560, 13422095, 14843258, 21475352, 25265120, 26844190, 29686516, 37108145, 42950704, 53688380, 59373032, 74216290, 85901408, 107376760, 118746064, 126167693, 148432580, 214753520, 237492128, 252335386, 296865160, 429507040, 504670772, 593730320, 630838465, 1009341544, 1187460640, 1261676930, 2018683088, 2523353860, 4037366176, 5046707720, 10093415440, 20186830880]

約数ペア:

[(1, 20186830880), (2, 10093415440), (4, 5046707720), (5, 4037366176), (8, 2523353860), (10, 2018683088), (16, 1261676930), (17, 1187460640), (20, 1009341544), (32, 630838465), (34, 593730320), (40, 504670772), (47, 429507040), (68, 296865160), (80, 252335386), (85, 237492128), (94, 214753520), (136, 148432580), (160, 126167693), (170, 118746064), (188, 107376760), (235, 85901408), (272, 74216290), (340, 59373032), (376, 53688380), (470, 42950704), (544, 37108145), (680, 29686516), (752, 26844190), (799, 25265120), (940, 21475352), (1360, 14843258), (1504, 13422095), (1598, 12632560), (1880, 10737676), (2720, 7421629), (3196, 6316280), (3760, 5368838), (3995, 5053024), (6392, 3158140), (7520, 2684419), (7990, 2526512), (12784, 1579070), (15980, 1263256), (25568, 789535), (31960, 631628), (63920, 315814), (127840, 157907)]