20829000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 128

約数和(自身を含む): 66718080

約数和(自身を除く): 45889080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 53, 60, 75, 100, 106, 120, 125, 131, 150, 159, 200, 212, 250, 262, 265, 300, 318, 375, 393, 424, 500, 524, 530, 600, 636, 655, 750, 786, 795, 1000, 1048, 1060, 1272, 1310, 1325, 1500, 1572, 1590, 1965, 2120, 2620, 2650, 3000, 3144, 3180, 3275, 3930, 3975, 5240, 5300, 6360, 6550, 6625, 6943, 7860, 7950, 9825, 10600, 13100, 13250, 13886, 15720, 15900, 16375, 19650, 19875, 20829, 26200, 26500, 27772, 31800, 32750, 34715, 39300, 39750, 41658, 49125, 53000, 55544, 65500, 69430, 78600, 79500, 83316, 98250, 104145, 131000, 138860, 159000, 166632, 173575, 196500, 208290, 277720, 347150, 393000, 416580, 520725, 694300, 833160, 867875, 1041450, 1388600, 1735750, 2082900, 2603625, 3471500, 4165800, 5207250, 6943000, 10414500, 20829000]

約数ペア:

[(1, 20829000), (2, 10414500), (3, 6943000), (4, 5207250), (5, 4165800), (6, 3471500), (8, 2603625), (10, 2082900), (12, 1735750), (15, 1388600), (20, 1041450), (24, 867875), (25, 833160), (30, 694300), (40, 520725), (50, 416580), (53, 393000), (60, 347150), (75, 277720), (100, 208290), (106, 196500), (120, 173575), (125, 166632), (131, 159000), (150, 138860), (159, 131000), (200, 104145), (212, 98250), (250, 83316), (262, 79500), (265, 78600), (300, 69430), (318, 65500), (375, 55544), (393, 53000), (424, 49125), (500, 41658), (524, 39750), (530, 39300), (600, 34715), (636, 32750), (655, 31800), (750, 27772), (786, 26500), (795, 26200), (1000, 20829), (1048, 19875), (1060, 19650), (1272, 16375), (1310, 15900), (1325, 15720), (1500, 13886), (1572, 13250), (1590, 13100), (1965, 10600), (2120, 9825), (2620, 7950), (2650, 7860), (3000, 6943), (3144, 6625), (3180, 6550), (3275, 6360), (3930, 5300), (3975, 5240)]