20950200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 71669520

約数和(自身を除く): 50719320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 103, 113, 120, 150, 180, 200, 206, 225, 226, 300, 309, 339, 360, 412, 450, 452, 515, 565, 600, 618, 678, 824, 900, 904, 927, 1017, 1030, 1130, 1236, 1356, 1545, 1695, 1800, 1854, 2034, 2060, 2260, 2472, 2575, 2712, 2825, 3090, 3390, 3708, 4068, 4120, 4520, 4635, 5085, 5150, 5650, 6180, 6780, 7416, 7725, 8136, 8475, 9270, 10170, 10300, 11300, 11639, 12360, 13560, 15450, 16950, 18540, 20340, 20600, 22600, 23175, 23278, 25425, 30900, 33900, 34917, 37080, 40680, 46350, 46556, 50850, 58195, 61800, 67800, 69834, 92700, 93112, 101700, 104751, 116390, 139668, 174585, 185400, 203400, 209502, 232780, 279336, 290975, 349170, 419004, 465560, 523755, 581950, 698340, 838008, 872925, 1047510, 1163900, 1396680, 1745850, 2095020, 2327800, 2618775, 3491700, 4190040, 5237550, 6983400, 10475100, 20950200]

約数ペア:

[(1, 20950200), (2, 10475100), (3, 6983400), (4, 5237550), (5, 4190040), (6, 3491700), (8, 2618775), (9, 2327800), (10, 2095020), (12, 1745850), (15, 1396680), (18, 1163900), (20, 1047510), (24, 872925), (25, 838008), (30, 698340), (36, 581950), (40, 523755), (45, 465560), (50, 419004), (60, 349170), (72, 290975), (75, 279336), (90, 232780), (100, 209502), (103, 203400), (113, 185400), (120, 174585), (150, 139668), (180, 116390), (200, 104751), (206, 101700), (225, 93112), (226, 92700), (300, 69834), (309, 67800), (339, 61800), (360, 58195), (412, 50850), (450, 46556), (452, 46350), (515, 40680), (565, 37080), (600, 34917), (618, 33900), (678, 30900), (824, 25425), (900, 23278), (904, 23175), (927, 22600), (1017, 20600), (1030, 20340), (1130, 18540), (1236, 16950), (1356, 15450), (1545, 13560), (1695, 12360), (1800, 11639), (1854, 11300), (2034, 10300), (2060, 10170), (2260, 9270), (2472, 8475), (2575, 8136), (2712, 7725), (2825, 7416), (3090, 6780), (3390, 6180), (3708, 5650), (4068, 5150), (4120, 5085), (4520, 4635)]