20856371567406

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{14149}}^1\times {\mathrm{390581}}^1$

素因数の和:404789

約数の個数: 64

約数和(自身を含む): 45363443342400

約数和(自身を除く): 24507071774994

約数列:

[1, 2, 3, 6, 17, 34, 37, 51, 74, 102, 111, 222, 629, 1258, 1887, 3774, 14149, 28298, 42447, 84894, 240533, 390581, 481066, 523513, 721599, 781162, 1047026, 1171743, 1443198, 1570539, 2343486, 3141078, 6639877, 8899721, 13279754, 14451497, 17799442, 19919631, 26699163, 28902994, 39839262, 43354491, 53398326, 86708982, 245675449, 491350898, 737026347, 1474052694, 5526330569, 11052661138, 16578991707, 33157983414, 93947619673, 187895239346, 204474231053, 281842859019, 408948462106, 563685718038, 613422693159, 1226845386318, 3476061927901, 6952123855802, 10428185783703, 20856371567406]

約数ペア:

[(1, 20856371567406), (2, 10428185783703), (3, 6952123855802), (6, 3476061927901), (17, 1226845386318), (34, 613422693159), (37, 563685718038), (51, 408948462106), (74, 281842859019), (102, 204474231053), (111, 187895239346), (222, 93947619673), (629, 33157983414), (1258, 16578991707), (1887, 11052661138), (3774, 5526330569), (14149, 1474052694), (28298, 737026347), (42447, 491350898), (84894, 245675449), (240533, 86708982), (390581, 53398326), (481066, 43354491), (523513, 39839262), (721599, 28902994), (781162, 26699163), (1047026, 19919631), (1171743, 17799442), (1443198, 14451497), (1570539, 13279754), (2343486, 8899721), (3141078, 6639877)]