20170207920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1788139}}^1$

素因数の和:1788202

約数の個数: 80

約数和(自身を含む): 63858055680

約数和(自身を除く): 43687847760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 1788139, 3576278, 5364417, 7152556, 8940695, 10728834, 14305112, 17881390, 21457668, 26822085, 28610224, 35762780, 42915336, 53644170, 71525560, 84042533, 85830672, 107288340, 143051120, 168085066, 214576680, 252127599, 336170132, 420212665, 429153360, 504255198, 672340264, 840425330, 1008510396, 1260637995, 1344680528, 1680850660, 2017020792, 2521275990, 3361701320, 4034041584, 5042551980, 6723402640, 10085103960, 20170207920]

約数ペア:

[(1, 20170207920), (2, 10085103960), (3, 6723402640), (4, 5042551980), (5, 4034041584), (6, 3361701320), (8, 2521275990), (10, 2017020792), (12, 1680850660), (15, 1344680528), (16, 1260637995), (20, 1008510396), (24, 840425330), (30, 672340264), (40, 504255198), (47, 429153360), (48, 420212665), (60, 336170132), (80, 252127599), (94, 214576680), (120, 168085066), (141, 143051120), (188, 107288340), (235, 85830672), (240, 84042533), (282, 71525560), (376, 53644170), (470, 42915336), (564, 35762780), (705, 28610224), (752, 26822085), (940, 21457668), (1128, 17881390), (1410, 14305112), (1880, 10728834), (2256, 8940695), (2820, 7152556), (3760, 5364417), (5640, 3576278), (11280, 1788139)]