20403060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 61471872

約数和(自身を除く): 41068812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 83, 85, 102, 166, 170, 204, 241, 249, 255, 332, 340, 415, 482, 498, 510, 723, 830, 964, 996, 1020, 1205, 1245, 1411, 1446, 1660, 2410, 2490, 2822, 2892, 3615, 4097, 4233, 4820, 4980, 5644, 7055, 7230, 8194, 8466, 12291, 14110, 14460, 16388, 16932, 20003, 20485, 21165, 24582, 28220, 40006, 40970, 42330, 49164, 60009, 61455, 80012, 81940, 84660, 100015, 120018, 122910, 200030, 240036, 245820, 300045, 340051, 400060, 600090, 680102, 1020153, 1200180, 1360204, 1700255, 2040306, 3400510, 4080612, 5100765, 6801020, 10201530, 20403060]

約数ペア:

[(1, 20403060), (2, 10201530), (3, 6801020), (4, 5100765), (5, 4080612), (6, 3400510), (10, 2040306), (12, 1700255), (15, 1360204), (17, 1200180), (20, 1020153), (30, 680102), (34, 600090), (51, 400060), (60, 340051), (68, 300045), (83, 245820), (85, 240036), (102, 200030), (166, 122910), (170, 120018), (204, 100015), (241, 84660), (249, 81940), (255, 80012), (332, 61455), (340, 60009), (415, 49164), (482, 42330), (498, 40970), (510, 40006), (723, 28220), (830, 24582), (964, 21165), (996, 20485), (1020, 20003), (1205, 16932), (1245, 16388), (1411, 14460), (1446, 14110), (1660, 12291), (2410, 8466), (2490, 8194), (2822, 7230), (2892, 7055), (3615, 5644), (4097, 4980), (4233, 4820)]