20005946272

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{378671}}^1$

素因数の和:378821

約数の個数: 48

約数和(自身を含む): 42750554112

約数和(自身を除く): 22744607840

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 127, 208, 254, 416, 508, 1016, 1651, 2032, 3302, 4064, 6604, 13208, 26416, 52832, 378671, 757342, 1514684, 3029368, 4922723, 6058736, 9845446, 12117472, 19690892, 39381784, 48091217, 78763568, 96182434, 157527136, 192364868, 384729736, 625185821, 769459472, 1250371642, 1538918944, 2500743284, 5001486568, 10002973136, 20005946272]

約数ペア:

[(1, 20005946272), (2, 10002973136), (4, 5001486568), (8, 2500743284), (13, 1538918944), (16, 1250371642), (26, 769459472), (32, 625185821), (52, 384729736), (104, 192364868), (127, 157527136), (208, 96182434), (254, 78763568), (416, 48091217), (508, 39381784), (1016, 19690892), (1651, 12117472), (2032, 9845446), (3302, 6058736), (4064, 4922723), (6604, 3029368), (13208, 1514684), (26416, 757342), (52832, 378671)]