20689578

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:788

約数の個数: 96

約数和(自身を含む): 58496256

約数和(自身を除く): 37806678

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 51, 63, 78, 91, 102, 117, 119, 126, 153, 182, 221, 234, 238, 273, 306, 357, 442, 546, 663, 714, 743, 819, 1071, 1326, 1486, 1547, 1638, 1989, 2142, 2229, 3094, 3978, 4458, 4641, 5201, 6687, 9282, 9659, 10402, 12631, 13374, 13923, 15603, 19318, 25262, 27846, 28977, 31206, 37893, 46809, 57954, 67613, 75786, 86931, 88417, 93618, 113679, 135226, 164203, 173862, 176834, 202839, 227358, 265251, 328406, 405678, 492609, 530502, 608517, 795753, 985218, 1149421, 1217034, 1477827, 1591506, 2298842, 2955654, 3448263, 6896526, 10344789, 20689578]

約数ペア:

[(1, 20689578), (2, 10344789), (3, 6896526), (6, 3448263), (7, 2955654), (9, 2298842), (13, 1591506), (14, 1477827), (17, 1217034), (18, 1149421), (21, 985218), (26, 795753), (34, 608517), (39, 530502), (42, 492609), (51, 405678), (63, 328406), (78, 265251), (91, 227358), (102, 202839), (117, 176834), (119, 173862), (126, 164203), (153, 135226), (182, 113679), (221, 93618), (234, 88417), (238, 86931), (273, 75786), (306, 67613), (357, 57954), (442, 46809), (546, 37893), (663, 31206), (714, 28977), (743, 27846), (819, 25262), (1071, 19318), (1326, 15603), (1486, 13923), (1547, 13374), (1638, 12631), (1989, 10402), (2142, 9659), (2229, 9282), (3094, 6687), (3978, 5201), (4458, 4641)]