20860882750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:631

約数の個数: 128

約数和(自身を含む): 42250740480

約数和(自身を除く): 21389857730

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 71, 85, 125, 142, 170, 250, 257, 269, 355, 425, 514, 538, 710, 850, 1207, 1285, 1345, 1775, 2125, 2414, 2570, 2690, 3550, 4250, 4369, 4573, 6035, 6425, 6725, 8738, 8875, 9146, 12070, 12850, 13450, 17750, 18247, 19099, 21845, 22865, 30175, 32125, 33625, 36494, 38198, 43690, 45730, 60350, 64250, 67250, 69133, 91235, 95495, 109225, 114325, 138266, 150875, 182470, 190990, 218450, 228650, 301750, 310199, 324683, 345665, 456175, 477475, 546125, 571625, 620398, 649366, 691330, 912350, 954950, 1092250, 1143250, 1175261, 1550995, 1623415, 1728325, 2280875, 2350522, 2387375, 3101990, 3246830, 3456650, 4561750, 4774750, 4908443, 5876305, 7754975, 8117075, 8641625, 9816886, 11752610, 15509950, 16234150, 17283250, 24542215, 29381525, 38774875, 40585375, 49084430, 58763050, 77549750, 81170750, 83443531, 122711075, 146907625, 166887062, 245422150, 293815250, 417217655, 613555375, 834435310, 1227110750, 2086088275, 4172176550, 10430441375, 20860882750]

約数ペア:

[(1, 20860882750), (2, 10430441375), (5, 4172176550), (10, 2086088275), (17, 1227110750), (25, 834435310), (34, 613555375), (50, 417217655), (71, 293815250), (85, 245422150), (125, 166887062), (142, 146907625), (170, 122711075), (250, 83443531), (257, 81170750), (269, 77549750), (355, 58763050), (425, 49084430), (514, 40585375), (538, 38774875), (710, 29381525), (850, 24542215), (1207, 17283250), (1285, 16234150), (1345, 15509950), (1775, 11752610), (2125, 9816886), (2414, 8641625), (2570, 8117075), (2690, 7754975), (3550, 5876305), (4250, 4908443), (4369, 4774750), (4573, 4561750), (6035, 3456650), (6425, 3246830), (6725, 3101990), (8738, 2387375), (8875, 2350522), (9146, 2280875), (12070, 1728325), (12850, 1623415), (13450, 1550995), (17750, 1175261), (18247, 1143250), (19099, 1092250), (21845, 954950), (22865, 912350), (30175, 691330), (32125, 649366), (33625, 620398), (36494, 571625), (38198, 546125), (43690, 477475), (45730, 456175), (60350, 345665), (64250, 324683), (67250, 310199), (69133, 301750), (91235, 228650), (95495, 218450), (109225, 190990), (114325, 182470), (138266, 150875)]