20001455910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{379}}^1\times {\mathrm{2029}}^1$

素因数の和:2455

約数の個数: 144

約数和(自身を含む): 55415833200

約数和(自身を除く): 35414377290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 289, 306, 379, 510, 578, 758, 765, 867, 1137, 1445, 1530, 1734, 1895, 2029, 2274, 2601, 2890, 3411, 3790, 4058, 4335, 5202, 5685, 6087, 6443, 6822, 8670, 10145, 11370, 12174, 12886, 13005, 17055, 18261, 19329, 20290, 26010, 30435, 32215, 34110, 34493, 36522, 38658, 57987, 60870, 64430, 68986, 91305, 96645, 103479, 109531, 115974, 172465, 182610, 193290, 206958, 219062, 289935, 310437, 328593, 344930, 517395, 547655, 579870, 586381, 620874, 657186, 768991, 985779, 1034790, 1095310, 1172762, 1537982, 1552185, 1642965, 1759143, 1971558, 2306973, 2931905, 3104370, 3285930, 3518286, 3844955, 4613946, 4928895, 5277429, 5863810, 6920919, 7689910, 8795715, 9857790, 10554858, 11534865, 13072847, 13841838, 17591430, 23069730, 26145694, 26387145, 34604595, 39218541, 52774290, 65364235, 69209190, 78437082, 117655623, 130728470, 196092705, 222238399, 235311246, 392185410, 444476798, 588278115, 666715197, 1111191995, 1176556230, 1333430394, 2000145591, 2222383990, 3333575985, 4000291182, 6667151970, 10000727955, 20001455910]

約数ペア:

[(1, 20001455910), (2, 10000727955), (3, 6667151970), (5, 4000291182), (6, 3333575985), (9, 2222383990), (10, 2000145591), (15, 1333430394), (17, 1176556230), (18, 1111191995), (30, 666715197), (34, 588278115), (45, 444476798), (51, 392185410), (85, 235311246), (90, 222238399), (102, 196092705), (153, 130728470), (170, 117655623), (255, 78437082), (289, 69209190), (306, 65364235), (379, 52774290), (510, 39218541), (578, 34604595), (758, 26387145), (765, 26145694), (867, 23069730), (1137, 17591430), (1445, 13841838), (1530, 13072847), (1734, 11534865), (1895, 10554858), (2029, 9857790), (2274, 8795715), (2601, 7689910), (2890, 6920919), (3411, 5863810), (3790, 5277429), (4058, 4928895), (4335, 4613946), (5202, 3844955), (5685, 3518286), (6087, 3285930), (6443, 3104370), (6822, 2931905), (8670, 2306973), (10145, 1971558), (11370, 1759143), (12174, 1642965), (12886, 1552185), (13005, 1537982), (17055, 1172762), (18261, 1095310), (19329, 1034790), (20290, 985779), (26010, 768991), (30435, 657186), (32215, 620874), (34110, 586381), (34493, 579870), (36522, 547655), (38658, 517395), (57987, 344930), (60870, 328593), (64430, 310437), (68986, 289935), (91305, 219062), (96645, 206958), (103479, 193290), (109531, 182610), (115974, 172465)]