20757204

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2609}}^1$

素因数の和:2649

約数の個数: 72

約数和(自身を含む): 59852520

約数和(自身を除く): 39095316

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2609, 2652, 3978, 5218, 7827, 7956, 10436, 15654, 23481, 31308, 33917, 44353, 46962, 67834, 88706, 93924, 101751, 133059, 135668, 177412, 203502, 266118, 305253, 399177, 407004, 532236, 576589, 610506, 798354, 1153178, 1221012, 1596708, 1729767, 2306356, 3459534, 5189301, 6919068, 10378602, 20757204]

約数ペア:

[(1, 20757204), (2, 10378602), (3, 6919068), (4, 5189301), (6, 3459534), (9, 2306356), (12, 1729767), (13, 1596708), (17, 1221012), (18, 1153178), (26, 798354), (34, 610506), (36, 576589), (39, 532236), (51, 407004), (52, 399177), (68, 305253), (78, 266118), (102, 203502), (117, 177412), (153, 135668), (156, 133059), (204, 101751), (221, 93924), (234, 88706), (306, 67834), (442, 46962), (468, 44353), (612, 33917), (663, 31308), (884, 23481), (1326, 15654), (1989, 10436), (2609, 7956), (2652, 7827), (3978, 5218)]