20216664860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1571}}^1\times {\mathrm{5407}}^1$

素因数の和:7011

約数の個数: 96

約数和(自身を含む): 51416322048

約数和(自身を除く): 31199657188

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 1571, 2380, 3142, 5407, 6284, 7855, 10814, 10997, 15710, 21628, 21994, 26707, 27035, 31420, 37849, 43988, 53414, 54070, 54985, 75698, 91919, 106828, 108140, 109970, 133535, 151396, 183838, 186949, 189245, 219940, 267070, 367676, 373898, 378490, 459595, 534140, 643433, 747796, 756980, 919190, 934745, 1286866, 1838380, 1869490, 2573732, 3217165, 3738980, 6434330, 8494397, 12868660, 16988794, 33977588, 42471985, 59460779, 84943970, 118921558, 144404749, 169887940, 237843116, 288809498, 297303895, 577618996, 594607790, 722023745, 1010833243, 1189215580, 1444047490, 2021666486, 2888094980, 4043332972, 5054166215, 10108332430, 20216664860]

約数ペア:

[(1, 20216664860), (2, 10108332430), (4, 5054166215), (5, 4043332972), (7, 2888094980), (10, 2021666486), (14, 1444047490), (17, 1189215580), (20, 1010833243), (28, 722023745), (34, 594607790), (35, 577618996), (68, 297303895), (70, 288809498), (85, 237843116), (119, 169887940), (140, 144404749), (170, 118921558), (238, 84943970), (340, 59460779), (476, 42471985), (595, 33977588), (1190, 16988794), (1571, 12868660), (2380, 8494397), (3142, 6434330), (5407, 3738980), (6284, 3217165), (7855, 2573732), (10814, 1869490), (10997, 1838380), (15710, 1286866), (21628, 934745), (21994, 919190), (26707, 756980), (27035, 747796), (31420, 643433), (37849, 534140), (43988, 459595), (53414, 378490), (54070, 373898), (54985, 367676), (75698, 267070), (91919, 219940), (106828, 189245), (108140, 186949), (109970, 183838), (133535, 151396)]