20135970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{977}}^1$

素因数の和:1219

約数の個数: 48

約数和(自身を含む): 52635960

約数和(自身を除く): 32499990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 229, 458, 687, 977, 1145, 1374, 1954, 2061, 2290, 2931, 3435, 4122, 4885, 5862, 6870, 8793, 9770, 10305, 14655, 17586, 20610, 29310, 43965, 87930, 223733, 447466, 671199, 1118665, 1342398, 2013597, 2237330, 3355995, 4027194, 6711990, 10067985, 20135970]

約数ペア:

[(1, 20135970), (2, 10067985), (3, 6711990), (5, 4027194), (6, 3355995), (9, 2237330), (10, 2013597), (15, 1342398), (18, 1118665), (30, 671199), (45, 447466), (90, 223733), (229, 87930), (458, 43965), (687, 29310), (977, 20610), (1145, 17586), (1374, 14655), (1954, 10305), (2061, 9770), (2290, 8793), (2931, 6870), (3435, 5862), (4122, 4885)]