20812416

素因数分解:

$2^7\times 3^1\times {\mathrm{83}}^1\times {\mathrm{653}}^1$

素因数の和:753

約数の個数: 64

約数和(自身を含む): 56034720

約数和(自身を除く): 35222304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 83, 96, 128, 166, 192, 249, 332, 384, 498, 653, 664, 996, 1306, 1328, 1959, 1992, 2612, 2656, 3918, 3984, 5224, 5312, 7836, 7968, 10448, 10624, 15672, 15936, 20896, 31344, 31872, 41792, 54199, 62688, 83584, 108398, 125376, 162597, 216796, 250752, 325194, 433592, 650388, 867184, 1300776, 1734368, 2601552, 3468736, 5203104, 6937472, 10406208, 20812416]

約数ペア:

[(1, 20812416), (2, 10406208), (3, 6937472), (4, 5203104), (6, 3468736), (8, 2601552), (12, 1734368), (16, 1300776), (24, 867184), (32, 650388), (48, 433592), (64, 325194), (83, 250752), (96, 216796), (128, 162597), (166, 125376), (192, 108398), (249, 83584), (332, 62688), (384, 54199), (498, 41792), (653, 31872), (664, 31344), (996, 20896), (1306, 15936), (1328, 15672), (1959, 10624), (1992, 10448), (2612, 7968), (2656, 7836), (3918, 5312), (3984, 5224)]