20565504

素因数分解:

$2^9\times 3^2\times {\mathrm{4463}}^1$

素因数の和:4487

約数の個数: 60

約数和(自身を含む): 59366736

約数和(自身を除く): 38801232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4463, 4608, 8926, 13389, 17852, 26778, 35704, 40167, 53556, 71408, 80334, 107112, 142816, 160668, 214224, 285632, 321336, 428448, 571264, 642672, 856896, 1142528, 1285344, 1713792, 2285056, 2570688, 3427584, 5141376, 6855168, 10282752, 20565504]

約数ペア:

[(1, 20565504), (2, 10282752), (3, 6855168), (4, 5141376), (6, 3427584), (8, 2570688), (9, 2285056), (12, 1713792), (16, 1285344), (18, 1142528), (24, 856896), (32, 642672), (36, 571264), (48, 428448), (64, 321336), (72, 285632), (96, 214224), (128, 160668), (144, 142816), (192, 107112), (256, 80334), (288, 71408), (384, 53556), (512, 40167), (576, 35704), (768, 26778), (1152, 17852), (1536, 13389), (2304, 8926), (4463, 4608)]