20406684

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 33218916

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 41, 57, 59, 74, 76, 82, 111, 114, 118, 123, 148, 164, 177, 222, 228, 236, 246, 354, 444, 492, 703, 708, 779, 1121, 1406, 1517, 1558, 2109, 2183, 2242, 2337, 2419, 2812, 3034, 3116, 3363, 4218, 4366, 4484, 4551, 4674, 4838, 6068, 6549, 6726, 7257, 8436, 8732, 9102, 9348, 9676, 13098, 13452, 14514, 18204, 26196, 28823, 29028, 41477, 45961, 57646, 82954, 86469, 89503, 91922, 115292, 124431, 137883, 165908, 172938, 179006, 183844, 248862, 268509, 275766, 345876, 358012, 497724, 537018, 551532, 1074036, 1700557, 3401114, 5101671, 6802228, 10203342, 20406684]

約数ペア:

[(1, 20406684), (2, 10203342), (3, 6802228), (4, 5101671), (6, 3401114), (12, 1700557), (19, 1074036), (37, 551532), (38, 537018), (41, 497724), (57, 358012), (59, 345876), (74, 275766), (76, 268509), (82, 248862), (111, 183844), (114, 179006), (118, 172938), (123, 165908), (148, 137883), (164, 124431), (177, 115292), (222, 91922), (228, 89503), (236, 86469), (246, 82954), (354, 57646), (444, 45961), (492, 41477), (703, 29028), (708, 28823), (779, 26196), (1121, 18204), (1406, 14514), (1517, 13452), (1558, 13098), (2109, 9676), (2183, 9348), (2242, 9102), (2337, 8732), (2419, 8436), (2812, 7257), (3034, 6726), (3116, 6549), (3363, 6068), (4218, 4838), (4366, 4674), (4484, 4551)]