20196450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1213}}^1$

素因数の和:1268

約数の個数: 72

約数和(自身を含む): 55773588

約数和(自身を除く): 35577138

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 37, 45, 50, 74, 75, 90, 111, 150, 185, 222, 225, 333, 370, 450, 555, 666, 925, 1110, 1213, 1665, 1850, 2426, 2775, 3330, 3639, 5550, 6065, 7278, 8325, 10917, 12130, 16650, 18195, 21834, 30325, 36390, 44881, 54585, 60650, 89762, 90975, 109170, 134643, 181950, 224405, 269286, 272925, 403929, 448810, 545850, 673215, 807858, 1122025, 1346430, 2019645, 2244050, 3366075, 4039290, 6732150, 10098225, 20196450]

約数ペア:

[(1, 20196450), (2, 10098225), (3, 6732150), (5, 4039290), (6, 3366075), (9, 2244050), (10, 2019645), (15, 1346430), (18, 1122025), (25, 807858), (30, 673215), (37, 545850), (45, 448810), (50, 403929), (74, 272925), (75, 269286), (90, 224405), (111, 181950), (150, 134643), (185, 109170), (222, 90975), (225, 89762), (333, 60650), (370, 54585), (450, 44881), (555, 36390), (666, 30325), (925, 21834), (1110, 18195), (1213, 16650), (1665, 12130), (1850, 10917), (2426, 8325), (2775, 7278), (3330, 6065), (3639, 5550)]