20009850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:117

約数の個数: 192

約数和(自身を含む): 64281600

約数和(自身を除く): 44271750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 19, 21, 25, 30, 34, 35, 38, 42, 50, 51, 57, 59, 70, 75, 85, 95, 102, 105, 114, 118, 119, 133, 150, 170, 175, 177, 190, 210, 238, 255, 266, 285, 295, 323, 350, 354, 357, 399, 413, 425, 475, 510, 525, 570, 590, 595, 646, 665, 714, 798, 826, 850, 885, 950, 969, 1003, 1050, 1121, 1190, 1239, 1275, 1330, 1425, 1475, 1615, 1770, 1785, 1938, 1995, 2006, 2065, 2242, 2261, 2478, 2550, 2850, 2950, 2975, 3009, 3230, 3325, 3363, 3570, 3990, 4130, 4425, 4522, 4845, 5015, 5605, 5950, 6018, 6195, 6650, 6726, 6783, 7021, 7847, 8075, 8850, 8925, 9690, 9975, 10030, 10325, 11210, 11305, 12390, 13566, 14042, 15045, 15694, 16150, 16815, 17850, 19057, 19950, 20650, 21063, 22610, 23541, 24225, 25075, 28025, 30090, 30975, 33630, 33915, 35105, 38114, 39235, 42126, 47082, 48450, 50150, 56050, 56525, 57171, 61950, 67830, 70210, 75225, 78470, 84075, 95285, 105315, 113050, 114342, 117705, 133399, 150450, 168150, 169575, 175525, 190570, 196175, 210630, 235410, 266798, 285855, 339150, 351050, 392350, 400197, 476425, 526575, 571710, 588525, 666995, 800394, 952850, 1053150, 1177050, 1333990, 1429275, 2000985, 2858550, 3334975, 4001970, 6669950, 10004925, 20009850]

約数ペア:

[(1, 20009850), (2, 10004925), (3, 6669950), (5, 4001970), (6, 3334975), (7, 2858550), (10, 2000985), (14, 1429275), (15, 1333990), (17, 1177050), (19, 1053150), (21, 952850), (25, 800394), (30, 666995), (34, 588525), (35, 571710), (38, 526575), (42, 476425), (50, 400197), (51, 392350), (57, 351050), (59, 339150), (70, 285855), (75, 266798), (85, 235410), (95, 210630), (102, 196175), (105, 190570), (114, 175525), (118, 169575), (119, 168150), (133, 150450), (150, 133399), (170, 117705), (175, 114342), (177, 113050), (190, 105315), (210, 95285), (238, 84075), (255, 78470), (266, 75225), (285, 70210), (295, 67830), (323, 61950), (350, 57171), (354, 56525), (357, 56050), (399, 50150), (413, 48450), (425, 47082), (475, 42126), (510, 39235), (525, 38114), (570, 35105), (590, 33915), (595, 33630), (646, 30975), (665, 30090), (714, 28025), (798, 25075), (826, 24225), (850, 23541), (885, 22610), (950, 21063), (969, 20650), (1003, 19950), (1050, 19057), (1121, 17850), (1190, 16815), (1239, 16150), (1275, 15694), (1330, 15045), (1425, 14042), (1475, 13566), (1615, 12390), (1770, 11305), (1785, 11210), (1938, 10325), (1995, 10030), (2006, 9975), (2065, 9690), (2242, 8925), (2261, 8850), (2478, 8075), (2550, 7847), (2850, 7021), (2950, 6783), (2975, 6726), (3009, 6650), (3230, 6195), (3325, 6018), (3363, 5950), (3570, 5605), (3990, 5015), (4130, 4845), (4425, 4522)]