20576070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{167}}^1$

素因数の和:254

約数の個数: 72

約数和(自身を含む): 55311984

約数和(自身を除く): 34735914

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 167, 185, 222, 333, 334, 370, 501, 555, 666, 835, 1002, 1110, 1369, 1503, 1665, 1670, 2505, 2738, 3006, 3330, 4107, 5010, 6179, 6845, 7515, 8214, 12321, 12358, 13690, 15030, 18537, 20535, 24642, 30895, 37074, 41070, 55611, 61605, 61790, 92685, 111222, 123210, 185370, 228623, 278055, 457246, 556110, 685869, 1143115, 1371738, 2057607, 2286230, 3429345, 4115214, 6858690, 10288035, 20576070]

約数ペア:

[(1, 20576070), (2, 10288035), (3, 6858690), (5, 4115214), (6, 3429345), (9, 2286230), (10, 2057607), (15, 1371738), (18, 1143115), (30, 685869), (37, 556110), (45, 457246), (74, 278055), (90, 228623), (111, 185370), (167, 123210), (185, 111222), (222, 92685), (333, 61790), (334, 61605), (370, 55611), (501, 41070), (555, 37074), (666, 30895), (835, 24642), (1002, 20535), (1110, 18537), (1369, 15030), (1503, 13690), (1665, 12358), (1670, 12321), (2505, 8214), (2738, 7515), (3006, 6845), (3330, 6179), (4107, 5010)]