20179934649

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{1051}}^1$

素因数の和:1728

約数の個数: 96

約数和(自身を含む): 36381358080

約数和(自身を除く): 16201423431

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 441, 483, 621, 631, 1051, 1127, 1323, 1449, 1893, 3153, 3381, 4347, 4417, 5679, 7357, 9459, 10143, 13251, 14513, 17037, 22071, 24173, 28377, 30429, 30919, 39753, 43539, 51499, 66213, 72519, 92757, 101591, 119259, 130617, 154497, 169211, 198639, 217557, 278271, 304773, 391851, 463491, 507633, 652671, 663181, 711137, 834813, 914319, 1184477, 1390473, 1522899, 1989543, 2133411, 2742957, 3553431, 4568697, 4642267, 5968629, 6400233, 10660293, 13926801, 15253163, 17905887, 19200699, 31980879, 32495869, 41780403, 45759489, 97487607, 106772141, 125341209, 137278467, 292462821, 320316423, 411835401, 747404987, 877388463, 960949269, 2242214961, 2882847807, 6726644883, 20179934649]

約数ペア:

[(1, 20179934649), (3, 6726644883), (7, 2882847807), (9, 2242214961), (21, 960949269), (23, 877388463), (27, 747404987), (49, 411835401), (63, 320316423), (69, 292462821), (147, 137278467), (161, 125341209), (189, 106772141), (207, 97487607), (441, 45759489), (483, 41780403), (621, 32495869), (631, 31980879), (1051, 19200699), (1127, 17905887), (1323, 15253163), (1449, 13926801), (1893, 10660293), (3153, 6400233), (3381, 5968629), (4347, 4642267), (4417, 4568697), (5679, 3553431), (7357, 2742957), (9459, 2133411), (10143, 1989543), (13251, 1522899), (14513, 1390473), (17037, 1184477), (22071, 914319), (24173, 834813), (28377, 711137), (30429, 663181), (30919, 652671), (39753, 507633), (43539, 463491), (51499, 391851), (66213, 304773), (72519, 278271), (92757, 217557), (101591, 198639), (119259, 169211), (130617, 154497)]