20483640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3347}}^1$

素因数の和:3381

約数の個数: 96

約数和(自身を含む): 70508880

約数和(自身を除く): 50025240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 3347, 6120, 6694, 10041, 13388, 16735, 20082, 26776, 30123, 33470, 40164, 50205, 56899, 60246, 66940, 80328, 100410, 113798, 120492, 133880, 150615, 170697, 200820, 227596, 240984, 284495, 301230, 341394, 401640, 455192, 512091, 568990, 602460, 682788, 853485, 1024182, 1137980, 1204920, 1365576, 1706970, 2048364, 2275960, 2560455, 3413940, 4096728, 5120910, 6827880, 10241820, 20483640]

約数ペア:

[(1, 20483640), (2, 10241820), (3, 6827880), (4, 5120910), (5, 4096728), (6, 3413940), (8, 2560455), (9, 2275960), (10, 2048364), (12, 1706970), (15, 1365576), (17, 1204920), (18, 1137980), (20, 1024182), (24, 853485), (30, 682788), (34, 602460), (36, 568990), (40, 512091), (45, 455192), (51, 401640), (60, 341394), (68, 301230), (72, 284495), (85, 240984), (90, 227596), (102, 200820), (120, 170697), (136, 150615), (153, 133880), (170, 120492), (180, 113798), (204, 100410), (255, 80328), (306, 66940), (340, 60246), (360, 56899), (408, 50205), (510, 40164), (612, 33470), (680, 30123), (765, 26776), (1020, 20082), (1224, 16735), (1530, 13388), (2040, 10041), (3060, 6694), (3347, 6120)]