20160178388

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{15391}}^1$

素因数の和:15613

約数の個数: 72

約数和(自身を含む): 42302018304

約数和(自身を除く): 22141839916

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 163, 164, 196, 287, 326, 574, 652, 1141, 1148, 2009, 2282, 4018, 4564, 6683, 7987, 8036, 13366, 15391, 15974, 26732, 30782, 31948, 46781, 61564, 93562, 107737, 187124, 215474, 327467, 430948, 631031, 654934, 754159, 1262062, 1309868, 1508318, 2508733, 2524124, 3016636, 4417217, 5017466, 8834434, 10034932, 17561131, 17668868, 30920519, 35122262, 61841038, 70244524, 102858053, 122927917, 123682076, 205716106, 245855834, 411432212, 491711668, 720006371, 1440012742, 2880025484, 5040044597, 10080089194, 20160178388]

約数ペア:

[(1, 20160178388), (2, 10080089194), (4, 5040044597), (7, 2880025484), (14, 1440012742), (28, 720006371), (41, 491711668), (49, 411432212), (82, 245855834), (98, 205716106), (163, 123682076), (164, 122927917), (196, 102858053), (287, 70244524), (326, 61841038), (574, 35122262), (652, 30920519), (1141, 17668868), (1148, 17561131), (2009, 10034932), (2282, 8834434), (4018, 5017466), (4564, 4417217), (6683, 3016636), (7987, 2524124), (8036, 2508733), (13366, 1508318), (15391, 1309868), (15974, 1262062), (26732, 754159), (30782, 654934), (31948, 631031), (46781, 430948), (61564, 327467), (93562, 215474), (107737, 187124)]