20051850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 62085312

約数和(自身を除く): 42033462

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 50, 65, 70, 75, 78, 91, 105, 113, 130, 150, 169, 175, 182, 195, 210, 226, 273, 325, 338, 339, 350, 390, 455, 507, 525, 546, 565, 650, 678, 791, 845, 910, 975, 1014, 1050, 1130, 1183, 1365, 1469, 1582, 1690, 1695, 1950, 2275, 2366, 2373, 2535, 2730, 2825, 2938, 3390, 3549, 3955, 4225, 4407, 4550, 4746, 5070, 5650, 5915, 6825, 7098, 7345, 7910, 8450, 8475, 8814, 10283, 11830, 11865, 12675, 13650, 14690, 16950, 17745, 19097, 19775, 20566, 22035, 23730, 25350, 29575, 30849, 35490, 36725, 38194, 39550, 44070, 51415, 57291, 59150, 59325, 61698, 73450, 88725, 95485, 102830, 110175, 114582, 118650, 133679, 154245, 177450, 190970, 220350, 257075, 267358, 286455, 308490, 401037, 477425, 514150, 572910, 668395, 771225, 802074, 954850, 1336790, 1432275, 1542450, 2005185, 2864550, 3341975, 4010370, 6683950, 10025925, 20051850]

約数ペア:

[(1, 20051850), (2, 10025925), (3, 6683950), (5, 4010370), (6, 3341975), (7, 2864550), (10, 2005185), (13, 1542450), (14, 1432275), (15, 1336790), (21, 954850), (25, 802074), (26, 771225), (30, 668395), (35, 572910), (39, 514150), (42, 477425), (50, 401037), (65, 308490), (70, 286455), (75, 267358), (78, 257075), (91, 220350), (105, 190970), (113, 177450), (130, 154245), (150, 133679), (169, 118650), (175, 114582), (182, 110175), (195, 102830), (210, 95485), (226, 88725), (273, 73450), (325, 61698), (338, 59325), (339, 59150), (350, 57291), (390, 51415), (455, 44070), (507, 39550), (525, 38194), (546, 36725), (565, 35490), (650, 30849), (678, 29575), (791, 25350), (845, 23730), (910, 22035), (975, 20566), (1014, 19775), (1050, 19097), (1130, 17745), (1183, 16950), (1365, 14690), (1469, 13650), (1582, 12675), (1690, 11865), (1695, 11830), (1950, 10283), (2275, 8814), (2366, 8475), (2373, 8450), (2535, 7910), (2730, 7345), (2825, 7098), (2938, 6825), (3390, 5915), (3549, 5650), (3955, 5070), (4225, 4746), (4407, 4550)]