20271720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24133}}^1$

素因数の和:24154

約数の個数: 64

約数和(自身を含む): 69505920

約数和(自身を除く): 49234200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24133, 48266, 72399, 96532, 120665, 144798, 168931, 193064, 241330, 289596, 337862, 361995, 482660, 506793, 579192, 675724, 723990, 844655, 965320, 1013586, 1351448, 1447980, 1689310, 2027172, 2533965, 2895960, 3378620, 4054344, 5067930, 6757240, 10135860, 20271720]

約数ペア:

[(1, 20271720), (2, 10135860), (3, 6757240), (4, 5067930), (5, 4054344), (6, 3378620), (7, 2895960), (8, 2533965), (10, 2027172), (12, 1689310), (14, 1447980), (15, 1351448), (20, 1013586), (21, 965320), (24, 844655), (28, 723990), (30, 675724), (35, 579192), (40, 506793), (42, 482660), (56, 361995), (60, 337862), (70, 289596), (84, 241330), (105, 193064), (120, 168931), (140, 144798), (168, 120665), (210, 96532), (280, 72399), (420, 48266), (840, 24133)]