20380950

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 58091520

約数和(自身を除く): 37710570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 45, 50, 54, 62, 75, 90, 93, 135, 150, 155, 186, 225, 270, 279, 310, 450, 465, 487, 558, 675, 775, 837, 930, 974, 1350, 1395, 1461, 1550, 1674, 2325, 2435, 2790, 2922, 4185, 4383, 4650, 4870, 6975, 7305, 8370, 8766, 12175, 13149, 13950, 14610, 15097, 20925, 21915, 24350, 26298, 30194, 36525, 41850, 43830, 45291, 65745, 73050, 75485, 90582, 109575, 131490, 135873, 150970, 219150, 226455, 271746, 328725, 377425, 407619, 452910, 657450, 679365, 754850, 815238, 1132275, 1358730, 2038095, 2264550, 3396825, 4076190, 6793650, 10190475, 20380950]

約数ペア:

[(1, 20380950), (2, 10190475), (3, 6793650), (5, 4076190), (6, 3396825), (9, 2264550), (10, 2038095), (15, 1358730), (18, 1132275), (25, 815238), (27, 754850), (30, 679365), (31, 657450), (45, 452910), (50, 407619), (54, 377425), (62, 328725), (75, 271746), (90, 226455), (93, 219150), (135, 150970), (150, 135873), (155, 131490), (186, 109575), (225, 90582), (270, 75485), (279, 73050), (310, 65745), (450, 45291), (465, 43830), (487, 41850), (558, 36525), (675, 30194), (775, 26298), (837, 24350), (930, 21915), (974, 20925), (1350, 15097), (1395, 14610), (1461, 13950), (1550, 13149), (1674, 12175), (2325, 8766), (2435, 8370), (2790, 7305), (2922, 6975), (4185, 4870), (4383, 4650)]