20123395530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1570913}}^1$

素因数の和:1570991

約数の個数: 64

約数和(自身を含む): 56100480768

約数和(自身を除く): 35977085238

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 610, 854, 915, 1281, 1830, 2135, 2562, 4270, 6405, 12810, 1570913, 3141826, 4712739, 7854565, 9425478, 10996391, 15709130, 21992782, 23563695, 32989173, 47127390, 54981955, 65978346, 95825693, 109963910, 164945865, 191651386, 287477079, 329891730, 479128465, 574954158, 670779851, 958256930, 1341559702, 1437385395, 2012339553, 2874770790, 3353899255, 4024679106, 6707798510, 10061697765, 20123395530]

約数ペア:

[(1, 20123395530), (2, 10061697765), (3, 6707798510), (5, 4024679106), (6, 3353899255), (7, 2874770790), (10, 2012339553), (14, 1437385395), (15, 1341559702), (21, 958256930), (30, 670779851), (35, 574954158), (42, 479128465), (61, 329891730), (70, 287477079), (105, 191651386), (122, 164945865), (183, 109963910), (210, 95825693), (305, 65978346), (366, 54981955), (427, 47127390), (610, 32989173), (854, 23563695), (915, 21992782), (1281, 15709130), (1830, 10996391), (2135, 9425478), (2562, 7854565), (4270, 4712739), (6405, 3141826), (12810, 1570913)]