20609550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{271}}^1$

素因数の和:315

約数の個数: 108

約数和(自身を含む): 60179184

約数和(自身を除く): 39569634

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 169, 195, 225, 234, 271, 325, 338, 390, 450, 507, 542, 585, 650, 813, 845, 975, 1014, 1170, 1355, 1521, 1626, 1690, 1950, 2439, 2535, 2710, 2925, 3042, 3523, 4065, 4225, 4878, 5070, 5850, 6775, 7046, 7605, 8130, 8450, 10569, 12195, 12675, 13550, 15210, 17615, 20325, 21138, 24390, 25350, 31707, 35230, 38025, 40650, 45799, 52845, 60975, 63414, 76050, 88075, 91598, 105690, 121950, 137397, 158535, 176150, 228995, 264225, 274794, 317070, 412191, 457990, 528450, 686985, 792675, 824382, 1144975, 1373970, 1585350, 2060955, 2289950, 3434925, 4121910, 6869850, 10304775, 20609550]

約数ペア:

[(1, 20609550), (2, 10304775), (3, 6869850), (5, 4121910), (6, 3434925), (9, 2289950), (10, 2060955), (13, 1585350), (15, 1373970), (18, 1144975), (25, 824382), (26, 792675), (30, 686985), (39, 528450), (45, 457990), (50, 412191), (65, 317070), (75, 274794), (78, 264225), (90, 228995), (117, 176150), (130, 158535), (150, 137397), (169, 121950), (195, 105690), (225, 91598), (234, 88075), (271, 76050), (325, 63414), (338, 60975), (390, 52845), (450, 45799), (507, 40650), (542, 38025), (585, 35230), (650, 31707), (813, 25350), (845, 24390), (975, 21138), (1014, 20325), (1170, 17615), (1355, 15210), (1521, 13550), (1626, 12675), (1690, 12195), (1950, 10569), (2439, 8450), (2535, 8130), (2710, 7605), (2925, 7046), (3042, 6775), (3523, 5850), (4065, 5070), (4225, 4878)]