20930442

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 47246976

約数和(自身を除く): 26316534

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 61, 78, 83, 106, 122, 159, 166, 183, 249, 318, 366, 498, 689, 793, 1079, 1378, 1586, 2067, 2158, 2379, 3233, 3237, 4134, 4399, 4758, 5063, 6466, 6474, 8798, 9699, 10126, 13197, 15189, 19398, 26394, 30378, 42029, 57187, 65819, 84058, 114374, 126087, 131638, 171561, 197457, 252174, 268339, 343122, 394914, 536678, 805017, 1610034, 3488407, 6976814, 10465221, 20930442]

約数ペア:

[(1, 20930442), (2, 10465221), (3, 6976814), (6, 3488407), (13, 1610034), (26, 805017), (39, 536678), (53, 394914), (61, 343122), (78, 268339), (83, 252174), (106, 197457), (122, 171561), (159, 131638), (166, 126087), (183, 114374), (249, 84058), (318, 65819), (366, 57187), (498, 42029), (689, 30378), (793, 26394), (1079, 19398), (1378, 15189), (1586, 13197), (2067, 10126), (2158, 9699), (2379, 8798), (3233, 6474), (3237, 6466), (4134, 5063), (4399, 4758)]