20057076

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2561

約数の個数: 72

約数和(自身を含む): 57834504

約数和(自身を除く): 37777428

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, 2521, 2652, 3978, 5042, 7563, 7956, 10084, 15126, 22689, 30252, 32773, 42857, 45378, 65546, 85714, 90756, 98319, 128571, 131092, 171428, 196638, 257142, 294957, 385713, 393276, 514284, 557141, 589914, 771426, 1114282, 1179828, 1542852, 1671423, 2228564, 3342846, 5014269, 6685692, 10028538, 20057076]

約数ペア:

[(1, 20057076), (2, 10028538), (3, 6685692), (4, 5014269), (6, 3342846), (9, 2228564), (12, 1671423), (13, 1542852), (17, 1179828), (18, 1114282), (26, 771426), (34, 589914), (36, 557141), (39, 514284), (51, 393276), (52, 385713), (68, 294957), (78, 257142), (102, 196638), (117, 171428), (153, 131092), (156, 128571), (204, 98319), (221, 90756), (234, 85714), (306, 65546), (442, 45378), (468, 42857), (612, 32773), (663, 30252), (884, 22689), (1326, 15126), (1989, 10084), (2521, 7956), (2652, 7563), (3978, 5042)]