20879784

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15263}}^1$

素因数の和:15294

約数の個数: 48

約数和(自身を含む): 59529600

約数和(自身を除く): 38649816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15263, 30526, 45789, 61052, 91578, 122104, 137367, 183156, 274734, 289997, 366312, 549468, 579994, 869991, 1098936, 1159988, 1739982, 2319976, 2609973, 3479964, 5219946, 6959928, 10439892, 20879784]

約数ペア:

[(1, 20879784), (2, 10439892), (3, 6959928), (4, 5219946), (6, 3479964), (8, 2609973), (9, 2319976), (12, 1739982), (18, 1159988), (19, 1098936), (24, 869991), (36, 579994), (38, 549468), (57, 366312), (72, 289997), (76, 274734), (114, 183156), (152, 137367), (171, 122104), (228, 91578), (342, 61052), (456, 45789), (684, 30526), (1368, 15263)]