20604870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1638

約数の個数: 96

約数和(自身を含む): 62977824

約数和(自身を除く): 42372954

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 33, 39, 45, 55, 65, 66, 78, 90, 99, 110, 117, 130, 143, 165, 195, 198, 234, 286, 330, 390, 429, 495, 585, 715, 858, 990, 1170, 1287, 1430, 1601, 2145, 2574, 3202, 4290, 4803, 6435, 8005, 9606, 12870, 14409, 16010, 17611, 20813, 24015, 28818, 35222, 41626, 48030, 52833, 62439, 72045, 88055, 104065, 105666, 124878, 144090, 158499, 176110, 187317, 208130, 228943, 264165, 312195, 316998, 374634, 457886, 528330, 624390, 686829, 792495, 936585, 1144715, 1373658, 1584990, 1873170, 2060487, 2289430, 3434145, 4120974, 6868290, 10302435, 20604870]

約数ペア:

[(1, 20604870), (2, 10302435), (3, 6868290), (5, 4120974), (6, 3434145), (9, 2289430), (10, 2060487), (11, 1873170), (13, 1584990), (15, 1373658), (18, 1144715), (22, 936585), (26, 792495), (30, 686829), (33, 624390), (39, 528330), (45, 457886), (55, 374634), (65, 316998), (66, 312195), (78, 264165), (90, 228943), (99, 208130), (110, 187317), (117, 176110), (130, 158499), (143, 144090), (165, 124878), (195, 105666), (198, 104065), (234, 88055), (286, 72045), (330, 62439), (390, 52833), (429, 48030), (495, 41626), (585, 35222), (715, 28818), (858, 24015), (990, 20813), (1170, 17611), (1287, 16010), (1430, 14409), (1601, 12870), (2145, 9606), (2574, 8005), (3202, 6435), (4290, 4803)]