20421030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2069}}^1$

素因数の和:2133

約数の個数: 64

約数和(自身を含む): 57231360

約数和(自身を除く): 36810330

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 2069, 3290, 4138, 4935, 6207, 9870, 10345, 12414, 14483, 20690, 28966, 31035, 43449, 62070, 72415, 86898, 97243, 144830, 194486, 217245, 291729, 434490, 486215, 583458, 680701, 972430, 1361402, 1458645, 2042103, 2917290, 3403505, 4084206, 6807010, 10210515, 20421030]

約数ペア:

[(1, 20421030), (2, 10210515), (3, 6807010), (5, 4084206), (6, 3403505), (7, 2917290), (10, 2042103), (14, 1458645), (15, 1361402), (21, 972430), (30, 680701), (35, 583458), (42, 486215), (47, 434490), (70, 291729), (94, 217245), (105, 194486), (141, 144830), (210, 97243), (235, 86898), (282, 72415), (329, 62070), (470, 43449), (658, 31035), (705, 28966), (987, 20690), (1410, 14483), (1645, 12414), (1974, 10345), (2069, 9870), (3290, 6207), (4138, 4935)]