20907450

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{911}}^1$

素因数の和:949

約数の個数: 96

約数和(自身を含む): 61067520

約数和(自身を除く): 40160070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 27, 30, 34, 45, 50, 51, 54, 75, 85, 90, 102, 135, 150, 153, 170, 225, 255, 270, 306, 425, 450, 459, 510, 675, 765, 850, 911, 918, 1275, 1350, 1530, 1822, 2295, 2550, 2733, 3825, 4555, 4590, 5466, 7650, 8199, 9110, 11475, 13665, 15487, 16398, 22775, 22950, 24597, 27330, 30974, 40995, 45550, 46461, 49194, 68325, 77435, 81990, 92922, 122985, 136650, 139383, 154870, 204975, 232305, 245970, 278766, 387175, 409950, 418149, 464610, 614925, 696915, 774350, 836298, 1161525, 1229850, 1393830, 2090745, 2323050, 3484575, 4181490, 6969150, 10453725, 20907450]

約数ペア:

[(1, 20907450), (2, 10453725), (3, 6969150), (5, 4181490), (6, 3484575), (9, 2323050), (10, 2090745), (15, 1393830), (17, 1229850), (18, 1161525), (25, 836298), (27, 774350), (30, 696915), (34, 614925), (45, 464610), (50, 418149), (51, 409950), (54, 387175), (75, 278766), (85, 245970), (90, 232305), (102, 204975), (135, 154870), (150, 139383), (153, 136650), (170, 122985), (225, 92922), (255, 81990), (270, 77435), (306, 68325), (425, 49194), (450, 46461), (459, 45550), (510, 40995), (675, 30974), (765, 27330), (850, 24597), (911, 22950), (918, 22775), (1275, 16398), (1350, 15487), (1530, 13665), (1822, 11475), (2295, 9110), (2550, 8199), (2733, 7650), (3825, 5466), (4555, 4590)]