20384988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{877}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 51626400

約数和(自身を除く): 31241412

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 149, 156, 298, 447, 596, 877, 894, 1754, 1788, 1937, 2631, 3508, 3874, 5262, 5811, 7748, 10524, 11401, 11622, 22802, 23244, 34203, 45604, 68406, 130673, 136812, 261346, 392019, 522692, 784038, 1568076, 1698749, 3397498, 5096247, 6794996, 10192494, 20384988]

約数ペア:

[(1, 20384988), (2, 10192494), (3, 6794996), (4, 5096247), (6, 3397498), (12, 1698749), (13, 1568076), (26, 784038), (39, 522692), (52, 392019), (78, 261346), (149, 136812), (156, 130673), (298, 68406), (447, 45604), (596, 34203), (877, 23244), (894, 22802), (1754, 11622), (1788, 11401), (1937, 10524), (2631, 7748), (3508, 5811), (3874, 5262)]