20305992

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:611

約数の個数: 96

約数和(自身を含む): 61067520

約数和(自身を除く): 40761528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 49, 56, 62, 84, 93, 98, 124, 147, 168, 186, 196, 217, 248, 294, 372, 392, 434, 557, 588, 651, 744, 868, 1114, 1176, 1302, 1519, 1671, 1736, 2228, 2604, 3038, 3342, 3899, 4456, 4557, 5208, 6076, 6684, 7798, 9114, 11697, 12152, 13368, 15596, 17267, 18228, 23394, 27293, 31192, 34534, 36456, 46788, 51801, 54586, 69068, 81879, 93576, 103602, 109172, 120869, 138136, 163758, 207204, 218344, 241738, 327516, 362607, 414408, 483476, 655032, 725214, 846083, 966952, 1450428, 1692166, 2538249, 2900856, 3384332, 5076498, 6768664, 10152996, 20305992]

約数ペア:

[(1, 20305992), (2, 10152996), (3, 6768664), (4, 5076498), (6, 3384332), (7, 2900856), (8, 2538249), (12, 1692166), (14, 1450428), (21, 966952), (24, 846083), (28, 725214), (31, 655032), (42, 483476), (49, 414408), (56, 362607), (62, 327516), (84, 241738), (93, 218344), (98, 207204), (124, 163758), (147, 138136), (168, 120869), (186, 109172), (196, 103602), (217, 93576), (248, 81879), (294, 69068), (372, 54586), (392, 51801), (434, 46788), (557, 36456), (588, 34534), (651, 31192), (744, 27293), (868, 23394), (1114, 18228), (1176, 17267), (1302, 15596), (1519, 13368), (1671, 12152), (1736, 11697), (2228, 9114), (2604, 7798), (3038, 6684), (3342, 6076), (3899, 5208), (4456, 4557)]