20184900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1103}}^1$

素因数の和:1181

約数の個数: 72

約数和(自身を含む): 59412864

約数和(自身を除く): 39227964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 61, 75, 100, 122, 150, 183, 244, 300, 305, 366, 610, 732, 915, 1103, 1220, 1525, 1830, 2206, 3050, 3309, 3660, 4412, 4575, 5515, 6100, 6618, 9150, 11030, 13236, 16545, 18300, 22060, 27575, 33090, 55150, 66180, 67283, 82725, 110300, 134566, 165450, 201849, 269132, 330900, 336415, 403698, 672830, 807396, 1009245, 1345660, 1682075, 2018490, 3364150, 4036980, 5046225, 6728300, 10092450, 20184900]

約数ペア:

[(1, 20184900), (2, 10092450), (3, 6728300), (4, 5046225), (5, 4036980), (6, 3364150), (10, 2018490), (12, 1682075), (15, 1345660), (20, 1009245), (25, 807396), (30, 672830), (50, 403698), (60, 336415), (61, 330900), (75, 269132), (100, 201849), (122, 165450), (150, 134566), (183, 110300), (244, 82725), (300, 67283), (305, 66180), (366, 55150), (610, 33090), (732, 27575), (915, 22060), (1103, 18300), (1220, 16545), (1525, 13236), (1830, 11030), (2206, 9150), (3050, 6618), (3309, 6100), (3660, 5515), (4412, 4575)]