20199654560

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{19301}}^1$

素因数の和:19558

約数の個数: 96

約数和(自身を含む): 49497122304

約数和(自身を除く): 29297467744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 211, 248, 310, 422, 496, 620, 844, 992, 1055, 1240, 1688, 2110, 2480, 3376, 4220, 4960, 6541, 6752, 8440, 13082, 16880, 19301, 26164, 32705, 33760, 38602, 52328, 65410, 77204, 96505, 104656, 130820, 154408, 193010, 209312, 261640, 308816, 386020, 523280, 598331, 617632, 772040, 1046560, 1196662, 1544080, 2393324, 2991655, 3088160, 4072511, 4786648, 5983310, 8145022, 9573296, 11966620, 16290044, 19146592, 20362555, 23933240, 32580088, 40725110, 47866480, 65160176, 81450220, 95732960, 126247841, 130320352, 162900440, 252495682, 325800880, 504991364, 631239205, 651601760, 1009982728, 1262478410, 2019965456, 2524956820, 4039930912, 5049913640, 10099827280, 20199654560]

約数ペア:

[(1, 20199654560), (2, 10099827280), (4, 5049913640), (5, 4039930912), (8, 2524956820), (10, 2019965456), (16, 1262478410), (20, 1009982728), (31, 651601760), (32, 631239205), (40, 504991364), (62, 325800880), (80, 252495682), (124, 162900440), (155, 130320352), (160, 126247841), (211, 95732960), (248, 81450220), (310, 65160176), (422, 47866480), (496, 40725110), (620, 32580088), (844, 23933240), (992, 20362555), (1055, 19146592), (1240, 16290044), (1688, 11966620), (2110, 9573296), (2480, 8145022), (3376, 5983310), (4220, 4786648), (4960, 4072511), (6541, 3088160), (6752, 2991655), (8440, 2393324), (13082, 1544080), (16880, 1196662), (19301, 1046560), (26164, 772040), (32705, 617632), (33760, 598331), (38602, 523280), (52328, 386020), (65410, 308816), (77204, 261640), (96505, 209312), (104656, 193010), (130820, 154408)]