20084940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{463}}^1$

素因数の和:719

約数の個数: 72

約数和(自身を含む): 61309248

約数和(自身を除く): 41224308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 463, 482, 723, 926, 964, 1205, 1389, 1446, 1852, 2169, 2315, 2410, 2778, 2892, 3615, 4167, 4338, 4630, 4820, 5556, 6945, 7230, 8334, 8676, 9260, 10845, 13890, 14460, 16668, 20835, 21690, 27780, 41670, 43380, 83340, 111583, 223166, 334749, 446332, 557915, 669498, 1004247, 1115830, 1338996, 1673745, 2008494, 2231660, 3347490, 4016988, 5021235, 6694980, 10042470, 20084940]

約数ペア:

[(1, 20084940), (2, 10042470), (3, 6694980), (4, 5021235), (5, 4016988), (6, 3347490), (9, 2231660), (10, 2008494), (12, 1673745), (15, 1338996), (18, 1115830), (20, 1004247), (30, 669498), (36, 557915), (45, 446332), (60, 334749), (90, 223166), (180, 111583), (241, 83340), (463, 43380), (482, 41670), (723, 27780), (926, 21690), (964, 20835), (1205, 16668), (1389, 14460), (1446, 13890), (1852, 10845), (2169, 9260), (2315, 8676), (2410, 8334), (2778, 7230), (2892, 6945), (3615, 5556), (4167, 4820), (4338, 4630)]