20673702784

素因数分解:

$2^7\times 7^1\times {\mathrm{73}}^1\times {\mathrm{316073}}^1$

素因数の和:316167

約数の個数: 64

約数和(自身を含む): 47714531040

約数和(自身を除く): 27040828256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 292, 448, 511, 584, 896, 1022, 1168, 2044, 2336, 4088, 4672, 8176, 9344, 16352, 32704, 65408, 316073, 632146, 1264292, 2212511, 2528584, 4425022, 5057168, 8850044, 10114336, 17700088, 20228672, 23073329, 35400176, 40457344, 46146658, 70800352, 92293316, 141600704, 161513303, 184586632, 283201408, 323026606, 369173264, 646053212, 738346528, 1292106424, 1476693056, 2584212848, 2953386112, 5168425696, 10336851392, 20673702784]

約数ペア:

[(1, 20673702784), (2, 10336851392), (4, 5168425696), (7, 2953386112), (8, 2584212848), (14, 1476693056), (16, 1292106424), (28, 738346528), (32, 646053212), (56, 369173264), (64, 323026606), (73, 283201408), (112, 184586632), (128, 161513303), (146, 141600704), (224, 92293316), (292, 70800352), (448, 46146658), (511, 40457344), (584, 35400176), (896, 23073329), (1022, 20228672), (1168, 17700088), (2044, 10114336), (2336, 8850044), (4088, 5057168), (4672, 4425022), (8176, 2528584), (9344, 2212511), (16352, 1264292), (32704, 632146), (65408, 316073)]