20249200

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 120

約数和(自身を含む): 53139456

約数和(自身を除く): 32890256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 40, 46, 50, 62, 71, 80, 92, 100, 115, 124, 142, 155, 184, 200, 230, 248, 284, 310, 355, 368, 400, 460, 496, 568, 575, 620, 710, 713, 775, 920, 1136, 1150, 1240, 1420, 1426, 1550, 1633, 1775, 1840, 2201, 2300, 2480, 2840, 2852, 3100, 3266, 3550, 3565, 4402, 4600, 5680, 5704, 6200, 6532, 7100, 7130, 8165, 8804, 9200, 11005, 11408, 12400, 13064, 14200, 14260, 16330, 17608, 17825, 22010, 26128, 28400, 28520, 32660, 35216, 35650, 40825, 44020, 50623, 55025, 57040, 65320, 71300, 81650, 88040, 101246, 110050, 130640, 142600, 163300, 176080, 202492, 220100, 253115, 285200, 326600, 404984, 440200, 506230, 653200, 809968, 880400, 1012460, 1265575, 2024920, 2531150, 4049840, 5062300, 10124600, 20249200]

約数ペア:

[(1, 20249200), (2, 10124600), (4, 5062300), (5, 4049840), (8, 2531150), (10, 2024920), (16, 1265575), (20, 1012460), (23, 880400), (25, 809968), (31, 653200), (40, 506230), (46, 440200), (50, 404984), (62, 326600), (71, 285200), (80, 253115), (92, 220100), (100, 202492), (115, 176080), (124, 163300), (142, 142600), (155, 130640), (184, 110050), (200, 101246), (230, 88040), (248, 81650), (284, 71300), (310, 65320), (355, 57040), (368, 55025), (400, 50623), (460, 44020), (496, 40825), (568, 35650), (575, 35216), (620, 32660), (710, 28520), (713, 28400), (775, 26128), (920, 22010), (1136, 17825), (1150, 17608), (1240, 16330), (1420, 14260), (1426, 14200), (1550, 13064), (1633, 12400), (1775, 11408), (1840, 11005), (2201, 9200), (2300, 8804), (2480, 8165), (2840, 7130), (2852, 7100), (3100, 6532), (3266, 6200), (3550, 5704), (3565, 5680), (4402, 4600)]