20300700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{1381}}^1$

素因数の和:1412

約数の個数: 108

約数和(自身を含む): 68375832

約数和(自身を除く): 48075132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 350, 420, 490, 525, 588, 700, 735, 980, 1050, 1225, 1381, 1470, 2100, 2450, 2762, 2940, 3675, 4143, 4900, 5524, 6905, 7350, 8286, 9667, 13810, 14700, 16572, 19334, 20715, 27620, 29001, 34525, 38668, 41430, 48335, 58002, 67669, 69050, 82860, 96670, 103575, 116004, 135338, 138100, 145005, 193340, 203007, 207150, 241675, 270676, 290010, 338345, 406014, 414300, 483350, 580020, 676690, 725025, 812028, 966700, 1015035, 1353380, 1450050, 1691725, 2030070, 2900100, 3383450, 4060140, 5075175, 6766900, 10150350, 20300700]

約数ペア:

[(1, 20300700), (2, 10150350), (3, 6766900), (4, 5075175), (5, 4060140), (6, 3383450), (7, 2900100), (10, 2030070), (12, 1691725), (14, 1450050), (15, 1353380), (20, 1015035), (21, 966700), (25, 812028), (28, 725025), (30, 676690), (35, 580020), (42, 483350), (49, 414300), (50, 406014), (60, 338345), (70, 290010), (75, 270676), (84, 241675), (98, 207150), (100, 203007), (105, 193340), (140, 145005), (147, 138100), (150, 135338), (175, 116004), (196, 103575), (210, 96670), (245, 82860), (294, 69050), (300, 67669), (350, 58002), (420, 48335), (490, 41430), (525, 38668), (588, 34525), (700, 29001), (735, 27620), (980, 20715), (1050, 19334), (1225, 16572), (1381, 14700), (1470, 13810), (2100, 9667), (2450, 8286), (2762, 7350), (2940, 6905), (3675, 5524), (4143, 4900)]