20215431068

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{773}}^1\times {\mathrm{54941}}^1$

素因数の和:55742

約数の個数: 48

約数和(自身を含む): 42865308864

約数和(自身を除く): 22649877796

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 773, 1546, 3092, 5411, 10822, 13141, 21644, 26282, 52564, 54941, 91987, 109882, 183974, 219764, 367948, 384587, 769174, 933997, 1538348, 1867994, 3735988, 6537979, 13075958, 26151916, 42469393, 84938786, 169877572, 297285751, 594571502, 721979681, 1189143004, 1443959362, 2887918724, 5053857767, 10107715534, 20215431068]

約数ペア:

[(1, 20215431068), (2, 10107715534), (4, 5053857767), (7, 2887918724), (14, 1443959362), (17, 1189143004), (28, 721979681), (34, 594571502), (68, 297285751), (119, 169877572), (238, 84938786), (476, 42469393), (773, 26151916), (1546, 13075958), (3092, 6537979), (5411, 3735988), (10822, 1867994), (13141, 1538348), (21644, 933997), (26282, 769174), (52564, 384587), (54941, 367948), (91987, 219764), (109882, 183974)]